TO REPRODUCE RESULTS:

1. install listtab, moremata, metareg, ipdmetan, and sutex2 packages in stata using the following commands: 

ssc install listtab
ssc install metareg
ssc install ipdmetan
ssc install sutex2
ssc install moremata

2. run “runme.do”: NOTE: results generated using Stata version 12.0


The following provides a description of all files associated with this project:

DATA FILES:

peer_data.csv: main data file containing estimates, standard errors, and characteristics.

papers.csv: contains paper authors and identification description.


.DO FILES:

bootstrap.do: computes bootstrap standard errors for 

create_sample.do: creates .dat files for article- and sample-level databases.

make_labels.do: creates variable labels.

metacode.do: estimates tau2 and weights by study type.

metafig.do: creates figures and tables for both text and supplementary materials.

runme.do: this file calls on programs create_sample.do and metafig.do to create all the output associated with the study.  It will create /data and /output subdirectories where .dat, .tex, and .eps files will be stored.


ZIP FILES:

studies.zip: a compressed folder of 36 .pdf files for each of articles used in our meta-analysis, plus one online appendix.

code.zip: contains .DO files described above.

